Ding-ding-ding! Winner!
Dems suddenly decided they need a worthy opponent to debate Ryan, and arranged for Slow Joe to eliminate himself.
You all are thinking too small here. Ever see the movie “Dave”? Here’s how I’d do it:
Biden sets himself up to take a beating from Ryan in the debate, then fakes a stroke on-stage. Instant sympathy and the ability to blame a callous and meanspirated Ryan while also allowing replacement on the ticket.